Teamwork in the viscous oceanic microscale.
Ontology highlight
ABSTRACT:
SUBMITTER: Kanso EA
PROVIDER: S-EPMC8307612 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:Rotational dynamics often challenge physical intuition while enabling unique realizations, from the rotor of a gyroscope that maintains its orientation regardless of the outer gimbals, to a tennis racket that rotates around its handle when tossed face-up in the air. In the context of inertial sensing, which can measure mass with atomic precision, rotational dynamics are normally considered a complication hindering measurement interpretation. Here, we exploit the rotational dynamics of a microfluidic device to develop a modality in inertial sensing. Combining theory with experiments, we show that this modality measures the volume of a rigid particle while normally being insensitive to its density. Paradoxically, particle density only emerges when fluid viscosity becomes dominant over inertia. We explain this paradox via a viscosity-driven, hydrodynamic coupling between the fluid and the particle that activates the rotational inertia of the particle, converting it into a 'viscous flywheel'. This modality now enables the simultaneous measurement of particle volume and mass in fluid, using a single, high-throughput measurement.
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Project description:OBJECTIVE:To estimate the prevalence of burnout and the perception of teamwork in Primary Care teams from Barcelona. DESIGN:Multicenter cross-sectional. LOCATION:Primary Health Care Teams from Barcelona. Institut Català de la Salut. PARTICIPANTS:All permanent employees or temporary professionals of all categories from 51 teams (N=2398). A total of 879 responses (36.7%) were obtained. MEASUREMENTS:The Maslach Burnout Inventory questionnaire, with 3 dimensions, was sent by emotional exhaustion (AE), depersonalization (DP), and personal accomplishment (RP). Burnout is considered present when two or more dimensions scored high marks. Perception of teamwork and evaluation of leaders was evaluated using an ad hoc questionnaire. RESULTS:The prevalence of burnout was17.2% (two or more dimensions affected), and 46.2% had at least one of the three dimensions with a high level. A high level of AE was found in 38.2%, of DP in 23.8%, and 7.7% had low RP. Almost half (49.2%) believe that teamwork is encouraged in their workplace. Social workers overall, have a higher average of dimensions affected at a high level, followed by administrative personnel, dentists, doctors and nurses (p<0.001). Permanent staff have a greater degree of emotional exhaustion (p<0.002). Those who rated their leaders worst and least rated teamwork had more emotional exhaustion, depersonalization and higher level of burnout in general (p<0.001). CONCLUSIONS:The level of burnout among professionals is considerable, with differences existing between occupational categories. Teamwork and appreciating their leaders protect from burnout.
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Project description:ObjectiveMassive hemorrhages (MHs) are rare but serious complications of pediatric trauma and obstetric cases. This study aimed to evaluate the impact of interprofessional simulation to improve adherence to a MH protocol (MHP), teamwork skills and confidence levels during a hemorrhagic crisis situation.Methods: This was a pre-post experimental study conducted at a tertiary care mother-child simulation center. Pediatric emergency and obstetric teams were submitted to simulated trauma and postpartum MH scenarios. Training consisted of two case scenarios followed by debriefing sessions and a lecture on the MHP. The primary outcome was adherence to MHP processes (checklist) measured prior to and 2 weeks following training sessions. Other outcomes were the measure of teamwork skills (Mayo High Performance Teamwork Scale) and confidence of the participants.ResultsSixty-two health care professionals were involved in eight interprofessional teams. Mean scores for adherence to the MHP improved from 19.1 in the pretraining phase to 25.8 in the posttraining phase (difference of 6.7; 95% confidence interval [CI] = 4.4 to 8.9). Mean scores pertaining to teamwork skills also improved significantly between pre- and posttraining phases (difference = 3.9; 95% CI = 1.5 to 6.4). Confidence questionnaires showed significant improvements in the posttraining phase (difference = 6.9; 95% CI = 5.3 to 8.3).ConclusionsTargeted training involving simulation and protocol review improved participant adherence to MHP processes and teamwork skills. Confidence levels improved across all disciplines.
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Project description:The objective of this study was to conduct a systematic review and meta-analysis of teamwork interventions that were carried out with the purpose of improving teamwork and team performance, using controlled experimental designs. A literature search returned 16,849 unique articles. The meta-analysis was ultimately conducted on 51 articles, comprising 72 (k) unique interventions, 194 effect sizes, and 8439 participants, using a random effects model. Positive and significant medium-sized effects were found for teamwork interventions on both teamwork and team performance. Moderator analyses were also conducted, which generally revealed positive and significant effects with respect to several sample, intervention, and measurement characteristics. Implications for effective teamwork interventions as well as considerations for future research are discussed.
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Project description:OBJECTIVES:To investigate the relationship between teamwork and clinical performance and potential moderating variables of this relationship. DESIGN:Systematic review and meta-analysis. DATA SOURCE:PubMed was searched in June 2018 without a limit on the date of publication. Additional literature was selected through a manual backward search of relevant reviews, manual backward and forward search of studies included in the meta-analysis and contacting of selected authors via email. ELIGIBILITY CRITERIA:Studies were included if they reported a relationship between a teamwork process (eg, coordination, non-technical skills) and a performance measure (eg, checklist based expert rating, errors) in an acute care setting. DATA EXTRACTION AND SYNTHESIS:Moderator variables (ie, professional composition, team familiarity, average team size, task type, patient realism and type of performance measure) were coded and random-effect models were estimated. Two investigators independently extracted information on study characteristics in accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. RESULTS:The review identified 2002 articles of which 31 were included in the meta-analysis comprising 1390 teams. The sample-sized weighted mean correlation was r =0.28 (corresponding to an OR of 2.8), indicating that teamwork is positively related to performance. The test of moderators was not significant, suggesting that the examined factors did not influence the average effect of teamwork on performance. CONCLUSION:Teamwork has a medium-sized effect on performance. The analysis of moderators illustrated that teamwork relates to performance regardless of characteristics of the team or task. Therefore, healthcare organisations should recognise the value of teamwork and emphasise approaches that maintain and improve teamwork for the benefit of their patients.
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Project description:The influence of a magnetic field on the aggregation process of superparamagnetic colloids has been well known on short time for a few decades. However, the influence of important parameters, such as viscosity of the liquid, has received only little attention. Moreover, the equilibrium state reached after a long time is still challenging on some aspects. Indeed, recent experimental measurements show deviations from pure analytical models in extreme conditions. Furthermore, current simulations would require several years of computing time to reach equilibrium state under those conditions. In the present paper, we show how viscosity influences the characteristic time of the aggregation process, with experimental measurements in agreement with previous theories on transient behaviour. Afterwards, we performed numerical simulations on equivalent systems with lower viscosities. Below a critical value of viscosity, a transition to a new aggregation regime is observed and analysed. We noticed this result can be used to reduce the numerical simulation time from several orders of magnitude, without modifying the intrinsic physical behaviour of the particles. However, it also implies that, for high magnetic fields, granular gases could have a very different behaviour from colloidal liquids.
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